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This comment reads like it's trying to disguise pedantry as confusion, which is an obnoxious trend on HN. Keeping with the original "user on a team" example, a
by Sohcahtoa82 4y ago
This comment reads like it's trying to disguise pedantry as confusion, which is an obnoxious trend on HN.
Keeping with the original "user on a team" example, allowing a cardinality of zero means that you support a user not being on a team at all. This may be a bastardization of the definition of "cardinality", but I think you understood that.
- swyx 4y agono i didnt, and it was a sincere question. im the guy who wrote the post and i didnt understand cardinality zero lol.
- vaidhy 4y agoIt is what swyx said.. cardinality not in the mathematical sense.. but the fact it does not exisit, there is exactly one instance of it or there are many instances of it. Going from one to another means refactoring/through testing as there would be side effects all through the system.